Teachers said that the 21st century is the era of knowledge-based economy is the Internet era is the era of human computers and networks, is each and every student must master a curriculum.

• 老师说过，21世纪是知识经济的时代，是网络时代，是人类数字化生存的时代，电脑和网络，是每一个学生都必须掌握的一门课程。